<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>嵌套窗口</title>
    <style>
        body {
            margin: 0;
            padding: 0;
        }

        .wrapper {
            width: 100%;
            height: 200px;
            border: 1px solid aqua;
            box-sizing: border-box;
            background-color: #fff;
        }

        img {
            width: 100px;
            height: 100px;
        }
    </style>
</head>

<body>
    <div class="wrapper">
        <div>这是一个嵌套窗口</div>
        <div class="img-box">
            <img src="../assets/imgs/boy.png" alt="">
        </div>
    </div>
</body>

</html>